From fdeebb7558d75c288efbec845aa9bdd96aa52381 Mon Sep 17 00:00:00 2001 From: Leo Chou Date: Tue, 11 Jun 2024 16:23:33 +0800 Subject: mb/google/nissa/var/sundance: Add FW_CONFIG probe for WWAN devices Add FW_CONFIG probe based on sundance boxster of below devices: WWAN Schematic version: NEC_SHIKIBU_ADL_N_MB_EVT_20240330 BUG=b:332978681 TEST=Boot to OS and verify the WWAN devices is set based on fw_config. Change-Id: I14339201d8ee21c85fefa96a49323e0c25cb8eca Signed-off-by: Leo Chou Reviewed-on: https://review.coreboot.org/c/coreboot/+/83041 Reviewed-by: Eric Lai Tested-by: build bot (Jenkins) --- .../google/brya/variants/sundance/Makefile.mk | 1 + .../google/brya/variants/sundance/fw_config.c | 36 ++++++++++++++++++++++ .../google/brya/variants/sundance/overridetree.cb | 15 +++++++-- 3 files changed, 50 insertions(+), 2 deletions(-) create mode 100644 src/mainboard/google/brya/variants/sundance/fw_config.c (limited to 'src') diff --git a/src/mainboard/google/brya/variants/sundance/Makefile.mk b/src/mainboard/google/brya/variants/sundance/Makefile.mk index d38141ca24..8ae0e3b61c 100644 --- a/src/mainboard/google/brya/variants/sundance/Makefile.mk +++ b/src/mainboard/google/brya/variants/sundance/Makefile.mk @@ -3,4 +3,5 @@ bootblock-y += gpio.c romstage-y += gpio.c +ramstage-$(CONFIG_FW_CONFIG) += fw_config.c ramstage-y += gpio.c diff --git a/src/mainboard/google/brya/variants/sundance/fw_config.c b/src/mainboard/google/brya/variants/sundance/fw_config.c new file mode 100644 index 0000000000..f8f9a07933 --- /dev/null +++ b/src/mainboard/google/brya/variants/sundance/fw_config.c @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include +#include +#include +#include + +static const struct pad_config wwan_disable_pads[] = { + /* A8 : WWAN_RF_DISABLE_ODL */ + PAD_NC(GPP_A8, NONE), + /* A12 : WWAN_PCIE_WAKE_ODL */ + PAD_NC(GPP_A12, NONE), + /* D5 : SRCCLKREQ0# ==> WWAN_CLKREQ_ODL */ + PAD_NC(GPP_D5, NONE), + /* D6 : WWAN_EN */ + PAD_NC(GPP_D6, NONE), + /* D15 : EN_PP2800_WCAM_X ==> WWAN_SAR_DETECT_2_ODL */ + PAD_NC(GPP_D15, NONE), + /* F12 : WWAN_RST_L */ + PAD_NC_LOCK(GPP_F12, NONE, LOCK_CONFIG), + /* H19 : SOC_I2C_SUB_INT_ODL */ + PAD_NC(GPP_H19, NONE), + /* H21 : WCAM_MCLK_R ==> WWAN_PERST_L */ + PAD_NC_LOCK(GPP_H21, NONE, LOCK_CONFIG), + /* H23 : WWAN_SAR_DETECT_ODL */ + PAD_NC(GPP_H23, NONE), +}; + +void fw_config_gpio_padbased_override(struct pad_config *padbased_table) +{ + if (fw_config_probe(FW_CONFIG(WWAN, LTE_ABSENT))) { + printk(BIOS_INFO, "Disable WWAN-related GPIO pins.\n"); + gpio_padbased_override(padbased_table, wwan_disable_pads, + ARRAY_SIZE(wwan_disable_pads)); + } +} diff --git a/src/mainboard/google/brya/variants/sundance/overridetree.cb b/src/mainboard/google/brya/variants/sundance/overridetree.cb index b4c7b5ebbc..2c4a63d37b 100644 --- a/src/mainboard/google/brya/variants/sundance/overridetree.cb +++ b/src/mainboard/google/brya/variants/sundance/overridetree.cb @@ -1,3 +1,10 @@ +fw_config + field WWAN 3 4 + option LTE_ABSENT 0 + option LTE_PRESENT 1 + end +end + chip soc/intel/alderlake # Acoustic settings register "acoustic_noise_mitigation" = "1" @@ -275,7 +282,9 @@ chip soc/intel/alderlake chip drivers/usb/acpi register "desc" = ""USB2 WWAN"" register "type" = "UPC_TYPE_INTERNAL" - device ref usb2_port5 on end + device ref usb2_port5 on + probe WWAN LTE_PRESENT + end end chip drivers/usb/acpi register "desc" = ""USB2 UFC"" @@ -304,7 +313,9 @@ chip soc/intel/alderlake chip drivers/usb/acpi register "desc" = ""USB3 WWAN"" register "type" = "UPC_TYPE_INTERNAL" - device ref usb3_port3 on end + device ref usb3_port3 on + probe WWAN LTE_PRESENT + end end end end -- cgit v1.2.3